20988649344

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2269}}^1$

素因数の和:2425

約数の個数: 256

約数和(自身を含む): 64182888000

約数和(自身を除く): 43194238656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 109, 128, 136, 156, 192, 204, 208, 218, 221, 272, 312, 327, 384, 408, 416, 436, 442, 544, 624, 654, 663, 816, 832, 872, 884, 1088, 1248, 1308, 1326, 1417, 1632, 1664, 1744, 1768, 1853, 2176, 2269, 2496, 2616, 2652, 2834, 3264, 3488, 3536, 3706, 4251, 4538, 4992, 5232, 5304, 5559, 5668, 6528, 6807, 6976, 7072, 7412, 8502, 9076, 10464, 10608, 11118, 11336, 13614, 13952, 14144, 14824, 17004, 18152, 20928, 21216, 22236, 22672, 24089, 27228, 28288, 29497, 29648, 34008, 36304, 38573, 41856, 42432, 44472, 45344, 48178, 54456, 58994, 59296, 68016, 72267, 72608, 77146, 84864, 88491, 88944, 90688, 96356, 108912, 115719, 117988, 118592, 136032, 144534, 145216, 154292, 176982, 177888, 181376, 192712, 217824, 231438, 235976, 237184, 247321, 272064, 289068, 290432, 308584, 353964, 355776, 385424, 435648, 462876, 471952, 494642, 501449, 544128, 578136, 617168, 707928, 711552, 741963, 770848, 871296, 925752, 943904, 989284, 1002898, 1156272, 1234336, 1415856, 1483926, 1504347, 1541696, 1851504, 1887808, 1978568, 2005796, 2312544, 2468672, 2831712, 2967852, 3008694, 3083392, 3215173, 3703008, 3775616, 3957136, 4011592, 4204457, 4625088, 4937344, 5663424, 5935704, 6017388, 6430346, 7406016, 7914272, 8023184, 8408914, 9250176, 9645519, 11326848, 11871408, 12034776, 12613371, 12860692, 14812032, 15828544, 16046368, 16817828, 19291038, 23742816, 24069552, 25226742, 25721384, 31657088, 32092736, 33635656, 38582076, 47485632, 48139104, 50453484, 51442768, 54657941, 64185472, 67271312, 77164152, 94971264, 96278208, 100906968, 102885536, 109315882, 134542624, 154328304, 163973823, 192556416, 201813936, 205771072, 218631764, 269085248, 308656608, 327947646, 403627872, 411542144, 437263528, 538170496, 617313216, 655895292, 807255744, 874527056, 1234626432, 1311790584, 1614511488, 1749054112, 2623581168, 3498108224, 5247162336, 6996216448, 10494324672, 20988649344]

約数ペア:

[(1, 20988649344), (2, 10494324672), (3, 6996216448), (4, 5247162336), (6, 3498108224), (8, 2623581168), (12, 1749054112), (13, 1614511488), (16, 1311790584), (17, 1234626432), (24, 874527056), (26, 807255744), (32, 655895292), (34, 617313216), (39, 538170496), (48, 437263528), (51, 411542144), (52, 403627872), (64, 327947646), (68, 308656608), (78, 269085248), (96, 218631764), (102, 205771072), (104, 201813936), (109, 192556416), (128, 163973823), (136, 154328304), (156, 134542624), (192, 109315882), (204, 102885536), (208, 100906968), (218, 96278208), (221, 94971264), (272, 77164152), (312, 67271312), (327, 64185472), (384, 54657941), (408, 51442768), (416, 50453484), (436, 48139104), (442, 47485632), (544, 38582076), (624, 33635656), (654, 32092736), (663, 31657088), (816, 25721384), (832, 25226742), (872, 24069552), (884, 23742816), (1088, 19291038), (1248, 16817828), (1308, 16046368), (1326, 15828544), (1417, 14812032), (1632, 12860692), (1664, 12613371), (1744, 12034776), (1768, 11871408), (1853, 11326848), (2176, 9645519), (2269, 9250176), (2496, 8408914), (2616, 8023184), (2652, 7914272), (2834, 7406016), (3264, 6430346), (3488, 6017388), (3536, 5935704), (3706, 5663424), (4251, 4937344), (4538, 4625088), (4992, 4204457), (5232, 4011592), (5304, 3957136), (5559, 3775616), (5668, 3703008), (6528, 3215173), (6807, 3083392), (6976, 3008694), (7072, 2967852), (7412, 2831712), (8502, 2468672), (9076, 2312544), (10464, 2005796), (10608, 1978568), (11118, 1887808), (11336, 1851504), (13614, 1541696), (13952, 1504347), (14144, 1483926), (14824, 1415856), (17004, 1234336), (18152, 1156272), (20928, 1002898), (21216, 989284), (22236, 943904), (22672, 925752), (24089, 871296), (27228, 770848), (28288, 741963), (29497, 711552), (29648, 707928), (34008, 617168), (36304, 578136), (38573, 544128), (41856, 501449), (42432, 494642), (44472, 471952), (45344, 462876), (48178, 435648), (54456, 385424), (58994, 355776), (59296, 353964), (68016, 308584), (72267, 290432), (72608, 289068), (77146, 272064), (84864, 247321), (88491, 237184), (88944, 235976), (90688, 231438), (96356, 217824), (108912, 192712), (115719, 181376), (117988, 177888), (118592, 176982), (136032, 154292), (144534, 145216)]